Ответ:
3 Co3O4 + 8 H2SO4 → 3 Co2(SO4)3 + 4 H2O + 2 SO2↑
GeO2 + 4 HCl → GeCl4 + 2 H2O
5 CdO + 4 NH3 + H2O → 5 Cd(NH2)2 + H2O
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Ответ:
3 Co3O4 + 8 H2SO4 → 3 Co2(SO4)3 + 4 H2O + 2 SO2↑
GeO2 + 4 HCl → GeCl4 + 2 H2O
5 CdO + 4 NH3 + H2O → 5 Cd(NH2)2 + H2O